Architecture Firms in
Olten

43 companies in Architecture Firms based in Olten — name and year of registration from the commercial register. The list below shows them all.

Companies

All 43 companies in Olten

Daniel Hammer Architekt FH AG Logo

Daniel Hammer Architekt FH AG

Since 2008 · 1–10 empl.4.6(11)

The core activity of the company "Daniel Hammer Architekt FH AG" is the planning, implementation and supervision of construction projects, particularly in the field of architecture and construction. This includes the creation of building plans, execution planning, coordination of construction projects, representation of customer interests and the conduct of condition analyses and valuations of properties.

Architecture FirmsArchitectural planningPreparation for construction execution and construction managementRenovation, alterations and building refurbishment
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
Atelier Kipfer GmbH Logo

Atelier Kipfer GmbH

Since 2021 · 1–10 empl.5.0(14)

The core activity of Atelier Kipfer is the provision of architectural services, particularly in the area of renovation and new construction projects, as well as the conduct of studies and competitions in the field of architecture.

Architecture FirmsArchitecture services according to SIA 102Renovation projectsNew-build projects
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
agA Architekturgemeinschaft Winz & Partner GmbH Logo

agA Architekturgemeinschaft Winz & Partner GmbH

Since 1997 · 1–10 empl.

The company's core activity is the provision of architectural services, in particular the planning and realization of construction projects, including renovations and conversions of residential and office buildings.

Architecture FirmsArchitectural planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
sg architekten ag Logo

sg architekten ag

Since 1998 · 11–20 empl.

The core activity of the company 'sg architekten ag' is the planning and realization of construction projects, particularly in the area of new and renovation buildings, taking into account sustainability and health. This also includes services such as construction and project management, owner representation and consulting, as well as feasibility studies.

Architecture FirmsFeasibility studiesPlanning and delivery of new builds and renovationsConstruction and project management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Schmuziger Architekten AG Logo

Schmuziger Architekten AG

Since 2001 · 1–10 empl.

The core activity of Klaus Schmuziger's company is architecture, specifically the planning and realization of buildings and urban development projects, complemented by graphic design and furniture design.

Architecture FirmsArchitectural planningDistrict planning and urban planningCompetition advisory and jury preparation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Scioscia Engineering GmbH Logo

Scioscia Engineering GmbH

Since 2004 · 11–20 empl.

Scioscia Engineering GmbH provides architectural and structural engineering services, project development and construction management. Offerings include feasibility studies, design and execution planning, permit and contract documentation, cost estimates, construction supervision, and general or total contracting with turnkey delivery.

Architecture FirmsProject DevelopmentArchitectural ServicesCivil Engineering Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Schwab Architektur und Liegenschaften AG Logo

Schwab Architektur und Liegenschaften AG

Since 2008 · 1–10 empl.

Schwab Architektur und Liegenschaften AG manages and develops a portfolio of residential properties and provides mandatary property management services. The office handles maintenance and periodic renovations and carries out project development including new construction, conversions and transactions in the rental and owner-occupied segments.

Architecture FirmsProperty managementReal estate developmentArchitecture and residential construction projects
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
c2m architekten GmbH Logo

c2m architekten GmbH

Since 2009 · 1–10 empl.4.4(7)

c2m architekten GmbH provides architecture and general planning services, supporting projects from development and design through to construction. The firm is responsible for project management, client advisory and representation, and monitoring of costs and schedules.

Architecture FirmsArchitecture and planningGeneral planningProject steering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
architectur design Beat Studer Logo

architectur design Beat Studer

Since 2011 · 1–10 empl.

The company's core activity is the provision of architectural services, particularly the planning and realization of new buildings, additions and renovations, hospital buildings, economic buildings and public buildings. This also includes participation in competitions, the creation of 3D visualizations, cost planning and control, as well as construction supervision.

Architecture FirmsArchitecture services for new buildsArchitecture services for conversions and renovationsClient and project consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
archiwork ag Logo

archiwork ag

Since 2015 · 1–10 empl.

The core activity of archiwork AG is the planning and realization of new buildings and conversions, particularly in the area of private single-family home and apartment construction. This includes the creation of preliminary projects, cost estimates, construction projects, tenders, construction management and final accounting. The company also offers interior design services, including the planning and realization of interior spaces, such as bathrooms, kitchens and staircases.

Architecture FirmsArchitecture for new builds and conversionsFeasibility consulting for building land and plotsInterior fit-out
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
H-O OEGERLI MARKUS ARCHITEKTEN SIA AG Logo

H-O OEGERLI MARKUS ARCHITEKTEN SIA AG

Since 2015 · 11–20 empl.

The core activity of H-O Oegerli Markus Architekten SIA AG is the provision of architectural services, including new buildings, renovations, energy consulting and real estate management.

Architecture FirmsArchitectural services for new buildsArchitectural services for conversions and renovationsEnergy consulting and GEAK
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
IGB Integrale Gesamtplanung für Bauerneuerung, Genossenschaft Zweigniederlassung Olten Logo

IGB Integrale Gesamtplanung für Bauerneuerung, Genossenschaft Zweigniederlassung Olten

Since 2016 · 1–10 empl.

IGB Integrale Gesamtplanung für Bauerneuerung, Genossenschaft Zweigniederlassung Olten provides architectural and planning services for the renewal, renovation, preservation and documentation of existing buildings. Core services include condition analyses, energy retrofit planning, construction management and building documentation such as 3D scans and virtual tours.

Architecture FirmsBuilding renewalConstruction documentation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
AARCHITEKTEN GmbH Logo

AARCHITEKTEN GmbH

Since 2016 · 1–10 empl.

The core activity of AARCHITEKTEN GMBH is the provision of architectural and interior design services, including planning, design and implementation of construction projects, such as renovations and new builds of residential and holiday homes.

Architecture FirmsArchitectureInterior designFurniture design
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
HKG Consulting AG Zweigniederlassung Olten Logo

HKG Consulting AG Zweigniederlassung Olten

Since 2019 · 21–50 empl.

HKG Consulting AG Zweigniederlassung Olten provides consulting and engineering services in electrical and building technology, security, energy, building IT and digitalisation.

Architecture FirmsAdvisory servicesIntegrated testingEnergy economic analyses
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
HKG Engineering AG Zweigniederlassung Olten Logo

HKG Engineering AG Zweigniederlassung Olten

Since 2019 · 1–10 empl.

HKG Engineering AG Zweigniederlassung Olten is an engineering and planning firm for building services, offering electrical engineering, building automation, building IT, security, energy and digitalization services. The branch provides complete electrical planning and consulting for construction projects.

Architecture FirmsOverall planningElectrical engineeringBuilding automation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Hochuli Architekten SIA Logo

Hochuli Architekten SIA

Since 2003 · 1–10 empl.

The core activity of Hochuli Architekten is the provision of architectural services.

Architecture Firms
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Architektengruppe Olten AG Logo

Architektengruppe Olten AG

Since 2005 · 11–20 empl.5.0(3)

The core activity of Architektengruppe Olten AG is the planning and realization of construction projects, particularly in the field of architecture, including services such as conception, planning, project management and construction management for private and public buildings.

Architecture FirmsArchitectureOverall planningConstruction site supervision
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
C2M Architekten und Generalplaner AG Logo

C2M Architekten und Generalplaner AG

Since 2019 · 11–20 empl.4.4(7)

C2M Architekten und Generalplaner AG is an architecture and general-planning firm providing project development, construction documentation and site management. Its services include general planning, project management, client representation and coordination through project realization.

Architecture FirmsArchitecture and PlanningGeneral PlanningProject Controlling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
werk1 architekten und planer ag Logo

werk1 architekten und planer ag

Since 2007 · 1–10 empl.3.7(3)

werk1 architekten und planer ag is an architectural and planning firm providing services for new construction, renovations, execution planning and competition entries. The firm’s project portfolio includes residential buildings, educational and industrial facilities, as well as interior and landscape works.

Architecture FirmsArchitectural and planning services
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #19
schneiderSchmid landschaftsarchitektur und gartendenkmalpflege inhaber david schmid Logo

schneiderSchmid landschaftsarchitektur und gartendenkmalpflege inhaber david schmid

Since 2018 · 1–10 empl.

The core activity of Schneider-Schmid Landschaftsarchitektur is the planning, design and development of open spaces, particularly in the field of landscape architecture and garden monument preservation. The company offers services such as spatial planning, design of public spaces, garden monument preservation, road and water space planning, as well as the development of sustainable and future-proof solutions for the use of open spaces.

Architecture FirmsLandscape architectureHistoric garden conservationOpen-space planning for public facilities
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #20
rba architekten gmbh eth sia Logo

rba architekten gmbh eth sia

Since 2014 · 1–10 empl.4.2(6)

The core activity of RBA Architekten is the planning, design and realization of new and renovation projects in the field of architecture.

Architecture FirmsArchitectural planningConversion and renovationNew-build planning
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #21
ABEWO GmbH Logo

ABEWO GmbH

Since 1998 · 1–10 empl.4.5(2)

ABEWO is a total enterprise specialized in planning, realization and brokerage of real estate projects. The core activities include: The construction of residential buildings, including single-family, semi-detached and terraced houses as well as multi-family houses with rental and condominium apartments. The execution of renovation and conversion work on existing properties, both in the residential and commercial sectors. The brokerage of real estate and building plots. The planning and realization of new buildings, including the creation of standard houses. The coordination and supervision of construction projects as a general contractor. ABEWO thus offers a comprehensive range of services in the real estate and construction industry.

Architecture FirmsArchitectural office and total contractor servicesConversions and renovationsProperty and building land brokerage
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #22
Architekturbüro 89m2 GmbH Logo

Architekturbüro 89m2 GmbH

Since 2022 · 1–10 empl.

The company 89m2 GmbH is an architectural firm specializing in the planning, development, and construction of real estate projects. The core activities include: architectural and engineering services, general planning, total and general contracting, renovations, modernizations, and restorations of all kinds, evaluation, project management, and construction supervision, feasibility studies and plausibility checks, and brokerage of plots and properties. The company offers consulting, planning, and development of private and professional construction projects and realizes small and large projects in various industries.

Architecture Firms
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #23
Bauort GmbH Logo

Bauort GmbH

Since 2002 · 1–10 empl.3.0(4)

The core activity of the company "bauort gmbh" is the provision of architectural services.

Architecture FirmsArchitectural servicesReal estate consulting, valuation and salesNew builds and conversions
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
Frey Architekten AG dipl. Arch. ETH/FH/SIA Logo

Frey Architekten AG dipl. Arch. ETH/FH/SIA

Since 2021 · 11–20 empl.4.6(5)

The core activity of Frey | Architekten AG is the planning, development and execution of architectural projects, including new buildings, conversions and renovations.

Architecture FirmsArchitectural servicesAdvisory servicesDesign and concept
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #25
grünwerk1 landschaftsarchitekten ag Logo

grünwerk1 landschaftsarchitekten ag

Since 2014 · 1–10 empl.5.0(1)

The core activity of grünwerk1 landschaftsarchitekten ag is landscape architecture, particularly in the design of open spaces, playgrounds and sports facilities, garden design and landscape design. The company offers services such as planning, design and development of public and private open spaces, parks, gardens and sports facilities.

Architecture FirmsLandscape architectureOpen-space designDesign plans and framework plans
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #26
DILA Bauplanung GmbH Logo

DILA Bauplanung GmbH

Since 2021 · 11–20 empl.5.0(2)

The core activity of DILA Bauplanung GmbH is construction management, particularly the planning, coordination and supervision of high-rise construction projects, including cost planning, owner consulting, condition analyses, feasibility studies, construction accounting and warranty work.

Architecture FirmsConstruction managementProject management / General planningArchitecture and construction
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #27
rewo reto wollschlegel Logo

rewo reto wollschlegel

Since 2019 · 1–10 empl.5.0(1)

The core activity of rewo is the planning and implementation of conversions, renovations and furnishing consultations for residential buildings, particularly single-family homes. The company offers a comprehensive service that ranges from the initial sketch to the finished building, bringing the connection between old and new into harmony.

Architecture FirmsConversions and renovationsResidential consulting and interior furnishingDesign and planning
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #28
Timon Stricker Architekt GmbH Logo

Timon Stricker Architekt GmbH

Since 2024 · 1–10 empl.5.0(3)

The company's core activity is architecture.

Architecture FirmsArchitectural services
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #29
Kersch Architektur und Verwaltungen AG Logo

Kersch Architektur und Verwaltungen AG

Since 2013 · 11–20 empl.2.3(43)

The core activity of KERSCH Architektur und Verwaltungen AG is the provision of services in the fields of architecture and real estate management. This includes in particular the planning and implementation of construction projects as well as the administration and marketing of residential and commercial spaces in German-speaking Switzerland.

Architecture FirmsArchitectureProperty managementLetting of rental properties
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #30
Studio Rana GmbH Logo

Studio Rana GmbH

Since 2026 · 1–10 empl.

Studio Rana GmbH supports spatial development processes and develops spatial strategies, usage concepts, and participation processes. The company works with municipalities, organizations, and other clients on strategic planning, repurposing, and the development of districts, sites, and open spaces.

Architecture FirmsStrategy developmentParticipation processes & networksUsage concepts & project development
No score yet
AU

Architektur und Bauleitung René Moser

Since 1997 · 1–10 empl.

Architecture Firms
No score yet
MS

Markus Schafer GmbH, Büro für Bauleitung

Since 2003 · 1–10 empl.

Architecture Firms
No score yet
GA

GMC Architektur & Baumanagement G. Cudia

Since 2004 · 1–10 empl.

Architecture Firms
No score yet
2A

2ART ARCHITEKTUR GmbH

Since 2006 · 1–10 empl.

Architecture Firms
No score yet
BA

Batimo AG Architekten SIA, Zweigniederlassung Olten

Since 2011 · 1–10 empl.

Architecture Firms
No score yet
WG

Wicki-Wyss GmbH

Since 2015 · 1–10 empl.

Technical Consulting & Engineering
No score yet
ZE

Zeichnungsbüro Erni GmbH

Since 2018 · 1–10 empl.

Architecture Firms
No score yet
TC

Terra Consent GmbH

Since 2020 · 1–10 empl.

Architecture Firms
No score yet
SI

SchönGrund Immobilien AG

Since 2020 · 1–10 empl.

Architecture Firms
No score yet
AH

AD HOC Architektur AG

Since 2020 · 1–10 empl.

Architecture Firms
No score yet
VA

VIARO AG

Since 2025 · 1–10 empl.

Architecture Firms
No score yet
AC

Aare Capital Management GmbH

Since 2025 · 1–10 empl.

Architecture Firms
No score yet

Architecture Firms in Olten

43Architecture FirmsCommercial register (Zefix) · as of October 10, 2026
2015Median year of registrationCommercial register (Zefix) · as of October 10, 2026
302in the Canton of SolothurnCommercial register (Zefix) · as of October 10, 2026
12,624in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Architecture Firms in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026